[S02] Remove irrelevant sentence.

The operators to which the sentence was referring to were only
mentioned in passing in this section ("Sigils indicate interface").
Dereferencers are described in detail elsewhere, along with the dotted
method forms.

Author: ShimmerFairy

S02-bits.pod

@@ -1905,9 +1905,6 @@ C<&x> may be bound to any object that does the C<Callable> role, such
 as any C<Block> or C<Routine>.  The C<Callable> role implies the ability
 to support C<< postcircumfix:<( )> >>.
 
-There are short forms for theses operator : they are respectively C<@.[]>,
-C<%.{}> and C<&.()>
-
 In any case, the minimal container role implied by the sigil is
 checked at binding time at the latest, and may fail earlier (such
 as at compile time) if a semantic error can be detected sooner.